K&N is the inventor of the Air Intake System and has over 50 years of experience in the performance filtration industry. Proudly designed and manufactured in the USA, this premium cold air intake system is specifically designed for your vehicle and is dyno tested to provide a guaranteed increase in horsepower. It features a high flow intake tube, custom heat shield, and oversized K&N Washable High-Flow Cotton Air Filter for ultimate airflow. This Intake system replaces the restrictive OEM air box to provide an improved driving experience for daily driving or towing. It installs easily in about 60 minutes and is backed by a No-Hassle Lifetime Limited Warranty and will not void your factory warranty. Legal for use in all 50 states. -------------------- Compatible Vehicles: -------------------- * 2007-2008 CADILLAC Escalade * 2007-2008 CADILLAC Escalade ESV * 2007-2008 CADILLAC Escalade EXT * 2007-2008 CHEVROLET Avalanche * 2007-2008 CHEVROLET Silverado 1500 * 2007-2008 CHEVROLET Suburban 1500 * 2007-2008 CHEVROLET Tahoe * 2007-2008 GMC Sierra 1500 * 2007-2008 GMC Sierra Denali * 2007-2008 GMC Yukon * 2007-2008 GMC Yukon Denali * 2007-2008 GMC Yukon XL 1500 * 2007-2008 GMC Yukon XL 1500 Denali